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/*
* Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <common.h>
#include <init.h>
#include <io.h>
#include <i2c/i2c.h>
#include <i2c/i2c-gpio.h>
#include <mach/rockchip-pll.h>
#include <mfd/act8846.h>
static struct i2c_board_info radxa_rock_i2c_devices[] = {
{
I2C_BOARD_INFO("act8846", 0x5a)
},
};
static struct i2c_gpio_platform_data i2c_gpio_pdata = {
.sda_pin = 58,
.scl_pin = 59,
.udelay = 5,
};
static void radxa_rock_pmic_init(void)
{
struct act8846 *pmic;
pmic = act8846_get();
if (pmic == NULL)
return;
/* Power on ethernet PHY */
act8846_set_bits(pmic, ACT8846_LDO9_CTRL, BIT(7), BIT(7));
}
static int setup_plls(void)
{
if (!of_machine_is_compatible("radxa,rock"))
return 0;
/* Codec PLL frequency: 594 MHz */
rk3188_pll_set_parameters(RK3188_CPLL, 2, 198, 4);
/* General PLL frequency: 300 MHz */
rk3188_pll_set_parameters(RK3188_GPLL, 1, 50, 4);
return 0;
}
coredevice_initcall(setup_plls);
static int devices_init(void)
{
if (!of_machine_is_compatible("radxa,rock"))
return 0;
i2c_register_board_info(0, radxa_rock_i2c_devices,
ARRAY_SIZE(radxa_rock_i2c_devices));
add_generic_device_res("i2c-gpio", 0, NULL, 0, &i2c_gpio_pdata);
radxa_rock_pmic_init();
/* Set mac_pll divisor to 6 (50MHz output) */
writel((5 << 8) | (0x1f << 24), 0x20000098);
return 0;
}
device_initcall(devices_init);
static int hostname_init(void)
{
if (!of_machine_is_compatible("radxa,rock"))
return 0;
barebox_set_hostname("radxa-rock");
return 0;
}
core_initcall(hostname_init);
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